1. High-quality industrial optical glass, multi-layer coating technology, high , aperture, amount of light entering, clear and vivid , high light transmittance, clear quality2. Equipped with F1.4 aperture, which can effectively the shutter speed in dark environment, and the is still in dark environment.3. High- , easy-to-grip focus ring provides very focus for high- 4. The lens can also high-definition and clearer videos and pictures in low-light environments, with good color reproduction, less noise and less distortion.5. The lens adopts aluminum alloy body and high-quality lens, which is durable and has a long service life, thus saving the time of changing the lens when travelingSpecification:Product name: camera lens: -VG0850-3MP length: 8-50mm size: 1/2.3inchRelative aperture: 1:1.4Interface: C-mountsField of view: W41.8x30.8/T6.42x4.8Flange back intercept: 17.53mmBack length: 8.03mmZoom: Manual/LockAperture: Auto ApertureResolution: 3MP pixelsDimensions: 40 x 72.81mm-up distance: 0.2mColour: blackMaterial: metalPackage Contents:1 x Camera lensOnly the above package content, other products are not included.Note: Light and different displays may the color of the item in the a little different from the real thing. The measurement allowed error is +/- 1-3cm.